Archive by category | Climate Policy

Costa Rican to become new UN climate chief

Christiana Figueres, a Costa Rican climate diplomacy expert, is to become the new head of the United Nations (UN) Framework Convention of Climate Change. UN Secretary-General Ban Ki-moon is expected to confirm her appointment later in the week, the BBC reports.  Read more

Testing geoengineering: a catch 22

Governments are starting to take a look at geoengineering — planetary-scale projects to cool the planet. No longer in the realm of science fiction, this is something that many are calling to regulate — and soon. The technique that has geoengineering proponents most excited, and geoengineering critics most worried, are proposals to shoot sulphate aerosols into the stratosphere. These tiny particles, like those that large volcanoes spew into the air, can cool the planet. ‘Natural experiments’, such as the eruption of Mount Pinatubo in 1991, show that this works.  Read more

Can technology save the world?

“57109091Whatever happens at the Copenhagen climate summit this December the world still desperately needs an action plan for reducing carbon emissions. Two opinion articles in Nature this week look beyond the diplomatic bargaining over emissions targets to the new energy technologies needed to actually achieve emissions reductions.  Read more